// SPECIES PROFILE · ANNUAL · NATIVE

Poison suckleya

Suckleya suckleyana

Poison suckleya (Suckleya suckleyana) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2a–10b. Mature size 6"–1'. Blooms Jul–Sep.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 10 U.S. states, including AZ, CO, KS, MT, ND, NE…
USDA hardiness: Zones 2a–10b
Mature size: 6"–1'
Sun: —
Water: —
Bloom: Jul–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Poison suckleya (Suckleya suckleyana) — *Suckleya suckleyana* — Poison suckleya. Photo by Elliott Gordon via Wikimedia Commons (CC BY 4.0).

Field Notes

[ growing · ecology · siting · care ]

Poison suckleya (Suckleya suckleyana) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2a–10b. Mature size 6"–1'. Blooms Jul–Sep.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, poison suckleya pairs naturally with: Common Sunflower (Helianthus annuus), Plains Coreopsis (Coreopsis tinctoria), Prairie groundsel (Packera plattensis), Rocky mountain bee-plant (Peritoma serrulata).